2019/2020 Competency-Based Task/Competency List for Diesel Equipment Technology III (8615/36 weeks, 280 hours)
Legislation enacted in the 2011 Virginia General Assembly (HB 1493) and amended in 2012 (HB 1108) requires where there is a national industry certification for career and technical education instructional personnel or programs for automotive technology, the Board of Education must make such certification mandatory. The provisions of this act shall become effective July 1, 2013. To comply with the requirements, all Career and Technical Education (CTE) diesel equpment technology programs must be ASE Education Foundation accredited and the instructors must be certified by the National Institute for Automotive Service Excellence (ASE).
Tasks/competencies when marked as such; they and/or additional tasks/competencies may be taught at the discretion of the school division. All other tasks are considered essential statewide and are required of all students.are considered optional
Demonstrating Personal Qualities and Abilities
Demonstrating Interpersonal Skills
Demonstrating Professional Competencies
- Demonstrate big-picture thinking.
- Demonstrate career- and life-management skills.
- Demonstrate continuous learning and adaptability.
- Manage time and resources.
- Demonstrate information-literacy skills.
- Demonstrate an understanding of information security.
- Maintain working knowledge of current information-technology (IT) systems.
- Demonstrate proficiency with technologies, tools, and machines common to a specific occupation.
- Apply mathematical skills to job-specific tasks.
- Demonstrate professionalism.
- Demonstrate reading and writing skills.
- Demonstrate workplace safety.
Examining All Aspects of an Industry
- Examine aspects of planning within an industry/organization.
- Examine aspects of management within an industry/organization.
- Examine aspects of financial responsibility within an industry/organization.
- Examine technical and production skills required of workers within an industry/organization.
- Examine principles of technology that underlie an industry/organization.
- Examine labor issues related to an industry/organization.
- Examine community issues related to an industry/organization.
- Examine health, safety, and environmental issues related to an industry/organization.
Addressing Elements of Student Life
- Identify the purposes and goals of the student organization.
- Explain the benefits and responsibilities of membership in the student organization as a student and in professional/civic organizations as an adult.
- Demonstrate leadership skills through participation in student organization activities, such as meetings, programs, and projects.
- Identify Internet safety issues and procedures for complying with acceptable use standards.
Exploring Work-Based Learning
REQUIRED SUPPLEMENTAL TASKS
Practicing Lab/Shop and Personal Safety
- Identify general lab/shop safety rules and procedures.
- Utilize safe procedures for handling of tools and equipment.
- Identify and use proper placement of floor jacks and jack stands.
- Identify and use proper procedures for safe lift operation.
- Utilize proper ventilation procedures for working within the lab/shop area.
- Identify marked safety areas.
- Identify the location and the types of fire extinguishers and other fire safety equipment; demonstrate knowledge of the procedures for using fire extinguishers and other fire safety equipment.
- Identify the location and use of eye wash stations.
- Identify the location of the posted evacuation routes.
- Comply with the required use of safety glasses, ear protection, gloves, and shoes during lab/shop activities.
- Identify and wear appropriate clothing for lab/shop activities.
- Secure hair and jewelry for lab/shop activities.
- Demonstrate awareness of the safety aspects of supplemental restraint systems (SRS), electronic brake control systems, and hybrid vehicle high voltage circuits.
- Demonstrate awareness of the safety aspects of high voltage circuits (such as high intensity discharge [HID] lamps, ignition systems, injection systems, etc.).
- Demonstrate knowledge of safety data sheets' (SDS) location and content.
Diesel Engines: Servicing Air Induction and Exhaust Systems
Diesel Engines: Servicing Fuel Supply System
- Inspect fuel transfer (lift) pump, pump drives, screens, fuel/water separators/indicators, filters, heaters, coolers, engine control module (ECM) cooling plates, and mounting hardware.
- Inspect pressure regulator systems (check valves, pressure regulator valves, and restrictive fittings.
- Check fuel system for air.
Diesel Engines: Servicing Electronic Fuel Management System
- Inspect power and ground circuits and connections.
- Interface with vehicle’s on-board computer.
- Record electronic diagnostic codes and trip/operational data.
- Use relevant service information.
- Replace electrical connector terminals, seals, and locks.
- Inspect switches, sensors, controls, actuator components, and circuits.
- Interpret customer programmable parameters.
- Perform on-engine inspections on electronic unit injectors (EUI).
- Install EUI and related components.
- Perform cylinder contribution test.
- Perform on-engine inspections on hydraulic electronic unit injectors (HEUI) and system electronic controls.
- Perform on-engine inspections on HEUI high-pressure oil supply and control systems.
- Perform on-engine inspections on high-pressure common rail (HPCR) type injection systems.
- Inspect high-pressure injection lines, hold downs, fittings and seals.
Drive Train: Servicing Clutch
- Identify causes of clutch noise, binding, slippage, pulsation, vibration, grabbing, dragging, and chatter problems.
- Inspect clutch linkage, cables, levers, brackets, bushings, pivots, springs, and clutch safety switch.
- Inspect hydraulic clutch slave and master cylinders, lines, and hoses.
- Inspect release (throw-out) bearing, sleeve, bushings, springs, housing, levers, release fork, fork pads, rollers, shafts, and seals.
- Inspect single-disc clutch pressure plate and clutch disc.
- Inspect two-plate clutch pressure plate, clutch discs, intermediate plate, and drive pins/lugs.
- Inspect clutch brake assembly.
- Inspect self-adjusting/continuous-adjusting clutch mechanisms.
- Inspect pilot bearing.
- Reinstall flywheel.
- Inspect flywheel and starter ring gear.
- Inspect flywheel housing(s) to transmission housing/engine mating surface(s).
Drive Train: Servicing Transmission
- Identify causes of transmission noise, shifting concerns, lockup, jumping- out-of-gear, overheating, and vibration problems.
- Inspect air shift controls, lines, hoses, valves, regulators, filters, and cylinder assemblies.
- Inspect transmission mounts, insulators, and mounting bolts.
- Inspect for leakage transmission cover plates, gaskets, seals, and cap bolts.
- Check transmission fluid level and condition.
- Inspect transmission shift lever, cover, rails, forks, levers, bushings, sleeves, detents, interlocks, springs, and lock bolts/safety wires.
- Reinstall transmission.
- Inspect input shaft, gear, spacers, bearings, retainers, and slingers.
- Inspect transmission oil filters, coolers and related components.
- Inspect speedometer components.
- Inspect power take-off (PTO) assemblies, controls, and shafts.
- Inspect function of reverse light, neutral start, and warning device circuits.
- Inspect transmission temperature gauge, wiring harnesses and sensor/sending unit.
- Inspect operation of automated mechanical transmission and manual electronic shift controls, shift, range and splitter solenoids, shift motors, indicators, speed and range sensors, electronic/transmission control units (ECU/TCU), neutral/in gear and reverse switches, and wiring harnesses.
- Inspect operation of automated mechanical transmission electronic shift selectors, air and electrical switches, displays and indicators, wiring harnesses, and air lines.
- Diagnose automated mechanical transmission problems.
- Inspect operation of automatic transmission electronic shift controls, shift solenoids, shift motors, indicators, speed and range sensors, electronic/transmission control units (ECU/TCU), neutral/in gear and reverse switches, and wiring harnesses.
- Inspect operation of automatic transmission electronic shift selectors, switches, displays, indicators, and wiring harnesses.
- Diagnose automatic transmission problems.
Drive Train: Driveshaft and Universal Joint
Drive Train: Drive Axle
- Identify causes of drive axle(s) drive unit noise and overheating problems.
- Check fluid leaks.
- Check drive axle fluid level and condition.
- Replace differential carrier assembly.
- Replace differential case assembly including spider gears, cross shaft, side gears, thrust washers, case halves, and bearings.
- Replace components of locking differential case assembly.
- Inspect differential carrier housing and caps, side bearing bores, and pilot (spigot, pocket) bearing bore.
- Measure ring gear runout.
- Replace ring and drive pinion gears, spacers, sleeves, bearing cages, and bearings.
- Adjust drive pinion bearing preload.
- Adjust drive pinion depth.
- Adjust side bearing preload and ring gear backlash.
- Interpret ring gear and pinion tooth contact pattern.
- Replace ring gear thrust block/screw.
- Inspect power divider (inter-axle differential) assembly.
- Replace air operated power divider (inter-axle differential) lockout assembly including diaphragms, seals, springs, yokes, pins, lines, hoses, fittings, and controls.
- Replace drive axle lubrication system.
- Replace drive axle shafts.
- Replace wheel assembly.
- Identify causes of drive axle wheel bearing noise.
- Inspect drive axle temperature gauge, wiring harnesses, and sending unit/sensor.
- Replace wheel bearings, seals and wear rings, and retaining hardware.
Brakes: Servicing Air and Hydraulic Antilock Brake Systems (ABS) and Automatic Traction Control (ATC)
- Inspect ABS warning light operation.
- Diagnose ABS electronic control(s) and components.
- Identify poor stopping and wheel lock-up problems caused by failure of the ABS.
- Test operation of ABS air, hydraulic, electrical, and mechanical components.
- Test ABS wheel speed sensors and circuits.
- Bleed the ABS hydraulic circuits.
- Observe ATC warning light operation.
- Diagnose ATC electronic control(s) and components.
- Verify power line carrier (PLC) operations.
SUSPENSION AND STEERING
Suspension and Steering: Steering Column
Suspension and Steering: Frame and Coupling Devices
- Service fifth wheel, pivot pins, bushings, locking mechanisms, and mounting hardware.
- Service sliding fifth wheel, tracks, stops, locking systems, air cylinders, springs, lines, hoses, and controls.
- Inspect frame and frame members for cracks, breaks, corrosion, distortion, elongated holes, looseness, and damage.
- Inspect frame hangers, brackets, and cross members in accordance with manufacturers' recommended procedures.
- Inspect pintle hooks and draw bars, if applicable.
Electrical/Electronic Systems: Servicing Gauges and Warning Devices
Electrical/Electronic Systems: Servicing Related Electrical Systems
HEATING, VENTILATION, AND AIR CONDITIONING (HVAC)
Heating, Ventilation, and Air Conditioning: Servicing HVAC Systems
Heating, Ventilation, and Air Conditioning (A/C): Servicing Air Conditioning (A/C) System and Components, General
- Identify causes of temperature control problems in the A/C system.
- Check for contamination of refrigerant and lubricant.
- Identify A/C system problems indicated by pressure gauge and temperature readings.
- Identify A/C system problems indicated by visual, audible, smell, and touch procedures.
- Perform A/C system leak test.
- Recharge A/C system using appropriate equipment.
- Identify contamination in the A/C system components.
- Perform diagnostic procedures using recommended electronic service tool(s).
Heating, Ventilation, and Air Conditioning: Servicing Compressor and Clutch
- Identify A/C system problems that cause protection devices (pressure, thermal, and electronic) to interrupt system operation.
- Replace A/C system pressure, thermal, and electronic devices.
- Replace A/C compressor drive belts, pulleys, and tensioners.
- Service A/C compressor clutch components or assembly.
- Correct A/C compressor lubricant level (if applicable).
- Replace A/C compressor.
- Replace A/C compressor mountings and hardware.
Heating, Ventilation, and Air Conditioning: Servicing Evaporator, Condenser, and Related Components
- Correct system lubricant level when replacing the evaporator, condenser, receiver/drier or accumulator/drier, and hoses.
- Inspect A/C system hoses, lines, filters, fittings, and seals.
- Test A/C system condenser.
- Replace receiver/drier or accumulator/drier.
- Test cab/sleeper refrigerant solenoid, expansion valve(s), and thermal bulb (capillary tube).
- Replace orifice tube.
- Test cab/sleeper evaporator core.
- Repair evaporator housing and water drain.
- Inspect A/C system service ports (gauge connections).
- Identify the cause of system failures resulting in refrigerant loss from the A/C system high pressure relief device.
Heating, Ventilation, and Air Conditioning: Servicing Heating and Engine Cooling Systems
- Identify causes of outlet air temperature control problems in the HVAC system.
- Identify window fogging problems.
- Perform engine cooling system tests for leaks, protection level, contamination, coolant level, coolant type, temperature, and conditioner concentration.
- Inspect engine cooling and heating system hoses, lines, and clamps.
- Inspect and test radiator, pressure cap, and coolant recovery system (surge tank).
- Inspect water pump.
- Inspect and test thermostats, by-passes, housings, and seals.
- Refill with recommended coolant/additive package.
- Inspect thermostatic cooling fan system (i.e., hydraulic, pneumatic, and electronic) and fan shroud.
- Test heating system coolant control valve(s) and manual shut-off valves.
- Inspect heater core.
Heating, Ventilation, and Air Conditioning: Servicing Electrical Operating Systems and Related Controls
- Identify causes of HVAC electrical control system problems.
- Test HVAC blower motors, resistors, switches, relays, modules, wiring, and protection devices.
- Test A/C compressor clutch relays, modules, wiring, sensors, switches, diodes, and protection devices.
- Test A/C related electronic engine control systems.
- Test engine cooling/condenser fan motors, relays, modules, switches, sensors, wiring, and protection devices.
- Test electric actuator motors, relays/modules, switches, sensors, wiring, and protection devices.
- Test HVAC system electrical/electronic control panel assemblies.
- Perform diagnostic procedures using recommended electronic service tool(s).
Heating, Ventilation, and Air Conditioning: Servicing Air/Mechanical Operating Systems and Related Controls
Heating, Ventilation, and Air Conditioning: Handling Refrigerant
PREVENTIVE MAINTENANCE AND INSPECTION
Preventive Maintenance and Inspection: Servicing Cab and Hood Instruments and Controls
Hydraulics: Servicing General System
Hydraulics: Servicing Pumps
Hydraulics: Servicing Filtration/Reservoirs (Tanks)
- Identify type of filtration system and flow direction.
- Service filters and breathers.
- Identify causes of system contamination.
- Take a hydraulic oil sample for analysis.
- Check reservoir fluid level and condition.
- Repair or replace reservoir, sight glass, vents, caps, mounts, valves, screens, supply and return lines.
Hydraulics: Servicing Hoses, Fittings, and Connections
Hydraulics: Servicing Control Valves
- Pressure test system safety relief valve.
- Perform control valve operating pressure and flow tests.
- Test valve controls (i.e., electrical/electronic, mechanical, pneumatic).
- Identify causes of control valve leakage (internal/external).
- Inspect pilot control valve linkages, cables, and power take-off (PTO) controls.
Hydraulics: Servicing Actuators
- Identify actuator type.
- Identify the cause of seal failure.
- Identify the cause of incorrect actuator movement and leakage (internal and external).
- Inspect actuator mounting, frame components, and hardware for looseness, cracks, and damage.
- Repair and/or replace actuators in accordance with manufacturers' recommended procedures.
- Inspect actuators for dents, cracks, damage, and leakage.
- Purge and/or bleed system in accordance with manufacturers' recommended procedures.